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Five Sentences (Posted on 2004-10-12) Difficulty: 3 of 5
Which of the following 5 sentences are true?

a) It is not the case that 2 consecutive sentences are both false.
b) There are fewer false than true sentences.
c) It is not the case that 3 consecutive sentences are all false.
d) It is not the case that 2 consecutive sentences are both true.
e) There are exactly 3 false sentences.

  Submitted by Brian Smith    
Rating: 3.2308 (13 votes)
Solution: (Hide)
D is true, all others are false.

Nikki provides an explanation here.

Federico Kereki also provides an explanation here.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Five SentencesWhia19672022-09-17 02:24:21
answerK Sengupta2007-04-19 01:27:18
SolutionHehshini2005-05-06 23:31:08
Solutionre: Please!!!! (long proof of randy's answer)Kearns2005-04-14 16:03:33
Paradoxial truthZipp Dementia2005-02-11 02:55:00
SolutionPlease!!!!randy2005-02-09 03:53:00
No Subjectjames2005-02-08 01:13:27
Solution?Lisa Grindlay2005-02-01 10:26:22
sorry I am wrong !Pemmadu Raghu Ramaiah2005-01-24 20:17:21
solutionPemmadu Raghu Ramaiah2005-01-24 20:13:54
possible solutionwhome?2005-01-22 19:38:10
Solutionsolutionkat2004-12-14 04:15:36
re: solvejohn2004-12-06 19:46:56
solvenate2004-12-03 15:23:34
solutionVince2004-11-29 15:47:41
re: Solution (software program used)bill2004-11-27 18:51:48
The SolutionMike2004-11-22 21:00:40
food for thoughtaria2004-10-25 03:42:04
SolutionBstratford2004-10-19 19:26:35
SolutionSolutionwcaexqdz2004-10-18 13:34:19
solutionMichelle2004-10-16 16:09:40
("*)kise2004-10-14 04:25:22
re: Solution (software program used)Penny2004-10-13 15:09:26
Solution (software program used)Penny2004-10-13 14:51:38
re(2): ExplanationFederico Kereki2004-10-12 20:12:48
re: Explanationnikki2004-10-12 20:01:16
SolutionExplanationFederico Kereki2004-10-12 18:37:34
Computer solutionDavid Shin2004-10-12 18:32:17
re: Answer+SolutionRandyOrton2004-10-12 18:26:19
SolutionAnswer+Solutionnikki2004-10-12 18:16:29
re: SolutionFederico Kereki2004-10-12 16:45:40
re: SolutionSam2004-10-12 16:40:05
SolutionSolutionSam2004-10-12 16:39:23
SolutionSquatty4182004-10-12 16:38:26
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